Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… An explosion and fire occurred at around at a solid hydrogen storage company. The accident occurred while a press … magnesium hydride and natural graphite into pellets was being reassembled following maintenance. The … dispenser). To prevent excess powder build-up, the press was cleaned three times a day at the end of each shift. The …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… An employee was attempting to re-weld a lifting point on a brazing furnace cover. He was using a tungsten inert gas (TIG) welding machine to build … had apparently not been evacuated completely of gaseous hydrogen, and this may have triggered the explosion. … …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… building for the recirculation of processes gas. The gas was a mixture of hydrogen and nitrogen. It occurred at the outlet valve, …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… in an anhydrous ammonia plant, commissioned in March 1977. Hydrogen accumulated inside a Benfield solution (hot potassium) storage tank and was ignited by a static charge, which caused the … of 114 m3 of solution into the process area. Major damage was produced on synthesis gas piping in some heat exchangers, …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… SS66 road and involved a trailer transporting compressed hydrogen cylinders. The 50 l cylinders were in packages of 16 …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… line between the high- and the low-pressure separators was opened in error and the liquid allowed to drain. High pressure hydrogen passed uncontrolled into the closed LP Separator … in the explosion and the subsequent fire (1 person was killed by explosion). The smoke from the fire did not …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… preceding day. After the shutdown, the batch to be reduced was normally processed in the autoclave and the process was duly acknowledged. The sequence opened the autoclave … was being performed in the hall during installations. The hydrogen extraction line added to the buffer tank vapour duct …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… from the reactor consist of ammonia, carbon dioxide, hydrogen, oxygen and nitrogen. Prior to venting this gas into … were damaged without affecting the vessel itself as it was designed to take an explosion. A second explosion …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… of aluminum. The ignition of the powder on the ground was caused by the flame cutting operation on the worm shell … tunnels, the sewers and a lost well. The dust and hydrogen formed upon contact with water caused four violent …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… through the vent. The cloud containing carbon monoxide and hydrogen ignited. The fire spread to the electrical cables …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… On a cold morning, the gasoil hydro-treatement unit was being brought back on line after being out of service to … not seen to have any direct bearing on the operation of he hydrogen heaters or the unit as a whole, Temperature at the coil outlet of both heaters was at least 100 degrees C lower than normal since the unit …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… 1991, a nuclear Power Plant experienced a main generator hydrogen fire. Although a senior reactor operator (SRO) and …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… cover on a hydrochloric acid plant burner. Normal start-up was continued by closing the drain valve in the product run … At this point a passing mechanic noted that a three foot hydrogen flame was burning from the vent stack. The plant was shut down. No …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… but intense fire, lasting about 50 minutes until the unit was nitrogen purged.The fire was always under control and the fire fighting effort was … Plant Inspection reported that the failure was due to hydrogen embrittlement of the heat affected zone of the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… A vertical cylindrical fired heater was used on the charge to a hydrodesulfurisation reactor. The flow was two phase at the heater inlet (hydrogen and hydrocarbon). The distribution of flow to the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… During a patrol, an operator detects a hydrogen leak in a refinery on a footbridge 30 meters high. …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… The fire developed on a hydrogen bus during filling, and was detected due to the …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… There was a massive explosion at one of the generator-turbine units of a coal-based power station. Undetected hydrogen leak from the generator was identified as a major trigger.According to the news, some …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… in other units, by a catalytic reaction in the presence of hydrogen. At the moment of the leak the furnace was restarting. The alarms of the temperature sensors at the … called the emergency status. The first emergency operation was to decompress the unit. Preventive foam mats were then …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… 91m x 21m (300 ft. x 70 ft).A pipe in a gasoline hydrogen treating plant ruptured; a mixture of superheated … and either exploded on contact with a hot process line or was ignited by static electricity. The fire reached its … point in the process where the fracture occurred, water was injected into the system to improve the flow of …
